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Re: Stegosaurus species

In a message dated 10/18/99 11:12:33 AM EST, randyk@ims.com writes:

<< Could the tail spikes have grown over time?  I am thinking in terms of a
 rattlesnake's rattler, but don't want to raise the analogy of their shedding
 skin.   >>

There's a nice tail with four spikes of a juvenile ?Stegosaurus stenops (the 
? is mine; almost everyone else calls it Stegosaurus stenops but it might 
better be called Diracodon stenops) that likely settles the matter of 
stegosaur ontogenentic spike count change (namely, it probably didn't happen).